Run results for: getElementById vs querySelector 2025 year version

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0

Browser: Firefox 142

Operating system: Linux

Device Platform: Desktop

Date tested: 11 months ago

getElementById

5.7M/s

querySelector

3.1M/s

View exact numbers

Test name	Executions per second
✓ getElementById	5,673,191 Ops/sec
querySelector	3,121,248 Ops/sec

HTML Preparation code:

<div id="testElement"></div>

Tests: